Larrypalooza Riley and Chloe decide to create their own rock band and enter a ""battle of the bands"" contest at school. However, the only musicians they are able to recruit are Larry and Randy, the school nerd. Details Casts Galleries Posters Season Lists Title Larrypalooza Genres Comedy Family Release Date 2002-03-16 Episode Runtime 00 Hours 22 Minutes Season Number 1 Episode Number 23 Production Companies Dualstar Productions, Dualstar Entertainment Group Mary-Kate Olsen... Riley Carlson... Ashley Olsen... Chloe Carlson... Eric Lutes... Jake Carlson... Jesse Head... Larry Slotnick... Natashia Williams... Teddi... Taylor Negron... Manuelo del Valle... Original Size (1280x720) Original Size (680x1000) Original Size (667x1000) Original Size (1535x2167) Original Size (977x1465) Original Size (680x1000) Season 1 26 Episode(s) 2001-06-02